]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - arch/mips/pci/pci.c
Merge remote-tracking branch 'hid/for-next'
[karo-tx-linux.git] / arch / mips / pci / pci.c
index 33e7aa52d9c4451ca352221921e27c134246a52d..1bf60b12737746d19cfec9c8b0512e6c419a2a5c 100644 (file)
@@ -120,51 +120,37 @@ static void pcibios_scanbus(struct pci_controller *hose)
 #ifdef CONFIG_OF
 void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node)
 {
-       const __be32 *ranges;
-       int rlen;
-       int pna = of_n_addr_cells(node);
-       int np = pna + 5;
+       struct of_pci_range range;
+       struct of_pci_range_parser parser;
 
        pr_info("PCI host bridge %s ranges:\n", node->full_name);
-       ranges = of_get_property(node, "ranges", &rlen);
-       if (ranges == NULL)
-               return;
        hose->of_node = node;
 
-       while ((rlen -= np * 4) >= 0) {
-               u32 pci_space;
+       if (of_pci_range_parser_init(&parser, node))
+               return;
+
+       for_each_of_pci_range(&parser, &range) {
                struct resource *res = NULL;
-               u64 addr, size;
-
-               pci_space = be32_to_cpup(&ranges[0]);
-               addr = of_translate_address(node, ranges + 3);
-               size = of_read_number(ranges + pna + 3, 2);
-               ranges += np;
-               switch ((pci_space >> 24) & 0x3) {
-               case 1:         /* PCI IO space */
+
+               switch (range.flags & IORESOURCE_TYPE_BITS) {
+               case IORESOURCE_IO:
                        pr_info("  IO 0x%016llx..0x%016llx\n",
-                                       addr, addr + size - 1);
+                               range.cpu_addr,
+                               range.cpu_addr + range.size - 1);
                        hose->io_map_base =
-                               (unsigned long)ioremap(addr, size);
+                               (unsigned long)ioremap(range.cpu_addr,
+                                                      range.size);
                        res = hose->io_resource;
-                       res->flags = IORESOURCE_IO;
                        break;
-               case 2:         /* PCI Memory space */
-               case 3:         /* PCI 64 bits Memory space */
+               case IORESOURCE_MEM:
                        pr_info(" MEM 0x%016llx..0x%016llx\n",
-                                       addr, addr + size - 1);
+                               range.cpu_addr,
+                               range.cpu_addr + range.size - 1);
                        res = hose->mem_resource;
-                       res->flags = IORESOURCE_MEM;
                        break;
                }
-               if (res != NULL) {
-                       res->start = addr;
-                       res->name = node->full_name;
-                       res->end = res->start + size - 1;
-                       res->parent = NULL;
-                       res->sibling = NULL;
-                       res->child = NULL;
-               }
+               if (res != NULL)
+                       of_pci_range_to_resource(&range, node, res);
        }
 }